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This paper introduces an online motion rate adaptation scheme for learned video compression, with the aim of achieving content-adaptive coding on individual test sequences to mitigate the domain gap between training and test data. It…

图像与视频处理 · 电气工程与系统科学 2023-02-14 Chih-Hsuan Lin , Yi-Hsin Chen , Wen-Hsiao Peng

Background music (BGM) can enhance the video's emotion. However, selecting an appropriate BGM often requires domain knowledge. This has led to the development of video-music retrieval techniques. Most existing approaches utilize pretrained…

多媒体 · 计算机科学 2023-09-19 Tianjun Mao , Shansong Liu , Yunxuan Zhang , Dian Li , Ying Shan

Movie recommendation systems provide users with ranked lists of movies based on individual's preferences and constraints. Two types of models are commonly used to generate ranking results: long-term models and session-based models. While…

信息检索 · 计算机科学 2018-06-27 Wei Zhao , Haixia Chai , Benyou Wang , Jianbo Ye , Min Yang , Zhou Zhao , Xiaojun Chen

In video compression, most of the existing deep learning approaches concentrate on the visual quality of a single frame, while ignoring the useful priors as well as the temporal information of adjacent frames. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Shuaicheng Liu , Chuan Wang , Chen Chen , Bing Zeng

Large Vision-Language Models (VLMs) have been extended to understand both images and videos. Visual token compression is leveraged to reduce the considerable token length of visual inputs. To meet the needs of different tasks, existing…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Chenyu Yang , Xuan Dong , Xizhou Zhu , Weijie Su , Jiahao Wang , Hao Tian , Zhe Chen , Wenhai Wang , Lewei Lu , Jifeng Dai

Neural data compression has been shown to outperform classical methods in terms of $RD$ performance, with results still improving rapidly. At a high level, neural compression is based on an autoencoder that tries to reconstruct the input…

机器学习 · 计算机科学 2021-06-02 Ties van Rozendaal , Iris A. M. Huijben , Taco S. Cohen

In this paper, we consider the task of space-time video super-resolution (ST-VSR), namely, expanding a given source video to a higher frame rate and resolution simultaneously. However, most existing schemes either consider a fixed…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Yuantong Zhang , Daiqin Yang , Zhenzhong Chen , Wenpeng Ding

We propose a self-supervised learning approach for videos that learns representations of both the RGB frames and the accompanying audio without human supervision. In contrast to images that capture the static scene appearance, videos also…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Simon Jenni , Alexander Black , John Collomosse

Recently, many neural network-based image compression methods have shown promising results superior to the existing tool-based conventional codecs. However, most of them are often trained as separate models for different target bit rates,…

图像与视频处理 · 电气工程与系统科学 2022-11-09 Jooyoung Lee , Seyoon Jeong , Munchurl Kim

Optimizing video inference efficiency has become increasingly important with the growing demand for video analysis in various fields. Some existing methods achieve high efficiency by explicit discard of spatial or temporal information,…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Rui Deng , Qian Wu , Yuke Li , Haoran Fu

The enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma

Video foundation models achieve strong performance across many video understanding tasks, but typically require large-scale pre-training on massive video datasets, resulting in substantial data and compute costs. In contrast, modern image…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Svetlana Orlova , Niccolò Cavagnero , Gijs Dubbelman

Video generation models have achieved notable progress in static scenarios, yet their performance in motion video generation remains limited, with quality degrading under drastic dynamic changes. This is due to noise disrupting temporal…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Meiqi Wu , Bingze Song , Ruimin Lin , Chen Zhu , Xiaokun Feng , Jiahong Wu , Xiangxiang Chu , Kaiqi Huang

Self-supervised video representation learning aimed at maximizing similarity between different temporal segments of one video, in order to enforce feature persistence over time. This leads to loss of pertinent information related to…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Di Yang , Yaohui Wang , Quan Kong , Antitza Dantcheva , Lorenzo Garattoni , Gianpiero Francesca , Francois Bremond

We provide two novel adaptive-rate compressive sensing (CS) strategies for sparse, time-varying signals using side information. Our first method utilizes extra cross-validation measurements, and the second one exploits extra low-resolution…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Garrett Warnell , Sourabh Bhattacharya , Rama Chellappa , Tamer Basar

Long-form video understanding requires designing approaches that are able to temporally localize activities or language. End-to-end training for such tasks is limited by the compute device memory constraints and lack of temporal annotations…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Mengmeng Xu , Erhan Gundogdu , Maksim Lapin , Bernard Ghanem , Michael Donoser , Loris Bazzani

We address the problem of capturing temporal information for video classification in 2D networks, without increasing their computational cost. Existing approaches focus on modifying the architecture of 2D networks (e.g. by including filters…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Kiyoon Kim , Shreyank N Gowda , Oisin Mac Aodha , Laura Sevilla-Lara

Lossless compression of dynamic 2D+t and 3D+t medical data is challenging regarding the huge amount of data, the characteristics of the inherent noise, and the high bit depth. Beyond that, a scalable representation is often required in…

图像与视频处理 · 电气工程与系统科学 2023-02-08 Daniela Lanz , André Kaup

In this paper, we propose a learned video codec with a residual prediction network (RP-Net) and a feature-aided loop filter (LF-Net). For the RP-Net, we exploit the residual of previous multiple frames to further eliminate the redundancy of…

图像与视频处理 · 电气工程与系统科学 2021-08-20 Chao Liu , Heming Sun , Jiro Katto , Xiaoyang Zeng , Yibo Fan

How can neural networks be trained on large-volume temporal data efficiently? To compute the gradients required to update parameters, backpropagation blocks computations until the forward and backward passes are completed. For temporal…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Mateusz Malinowski , Dimitrios Vytiniotis , Grzegorz Swirszcz , Viorica Patraucean , Joao Carreira